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5. The bar graph below shows the percentage of students who received each letter grade on their last English paper. The class contains 20 students. What number of students earned an A on their paper? 40 30 10 C Number of children Frequency (%) 20

5. The bar graph below shows the percentage of students who received each letter grade on their last English paper. The class contains 20 students. What number of students earned an A on their paper? 40 30 10 C Number of children Frequency (%) 20

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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**Bar Graph Analysis for Student Grades** The bar graph below indicates the percentage of students who received each letter grade on their last English paper. The class consists of 20 students. Analyzing this graph, we need to determine the number of students who earned an 'A' on their paper. **Graph Description:** - **Y-axis (Vertical):** Represents the frequency percentage of students. - **X-axis (Horizontal):** Shows the letter grades: A, B, C, D. **Data Analysis:** - **Grade A:** Approximately 25% of students received an 'A'. - **Grade B:** Approximately 35% of students received a 'B'. - **Grade C:** Approximately 25% of students received a 'C'. - **Grade D:** Approximately 15% of students received a 'D'. **Calculation for Number of Students with Grade 'A':** To find the number of students who received an 'A', calculate 25% of 20 students. \[ \text{Number of students with 'A'} = 0.25 \times 20 = 5 \] **Conclusion:** Five students in this class earned an 'A' on their last English paper.
Transcribed Image Text:**Bar Graph Analysis for Student Grades** The bar graph below indicates the percentage of students who received each letter grade on their last English paper. The class consists of 20 students. Analyzing this graph, we need to determine the number of students who earned an 'A' on their paper. **Graph Description:** - **Y-axis (Vertical):** Represents the frequency percentage of students. - **X-axis (Horizontal):** Shows the letter grades: A, B, C, D. **Data Analysis:** - **Grade A:** Approximately 25% of students received an 'A'. - **Grade B:** Approximately 35% of students received a 'B'. - **Grade C:** Approximately 25% of students received a 'C'. - **Grade D:** Approximately 15% of students received a 'D'. **Calculation for Number of Students with Grade 'A':** To find the number of students who received an 'A', calculate 25% of 20 students. \[ \text{Number of students with 'A'} = 0.25 \times 20 = 5 \] **Conclusion:** Five students in this class earned an 'A' on their last English paper.
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